GRB 240914A: Swift observation summary

Mission:	SVOM/ECLAIRs
GRB RA:	54.281°
GRB Dec:	-35.027°
GRB Err:	10.4 arcmin
T0:	2024-09-14 01:40:03 UT
Galactic:	236.01° -53.92°
Galactic N_H:	1.43× 10²⁰ cm^-2
Galactic E(B-V):	0.01327008

Sun distance:	114.56°
Sun angle:	7.86 [hr](West of Sun)
Moon distance:	93.68°
Visibility of this field.

Data analysed so far:

ObsID: 00021716001 with 1.9 ks exposure.

About ToO analysis.

Find an upper limit.

Sources found so far

So far 3 sources have been found in the XRT data. 2 sources match catalogued sources.

#	RA (J2000)	Dec (J2000)	Err₉₀¹	Detection Flag²	Dist from SVOM/ECLAIRs pos	Exposure	Notes
1 [details]	03h 37m 37.07s54.40447°	-35° 00′ 59.1″-35.01642°	8.3′′	Poor	6.1′	1.9 ks
Mean XRT rate: 4.8 (+2.3, -1.8) ×10^-3 ct s^-1 Peak XRT rate: 4.8 (+2.3, -1.8) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.04 ct s^-1 (XRT equiv count-rate) Mean XRT flux: 1.6 (+0.8, -0.6) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 1.6 (+0.8, -0.6) ×10^-13 erg cm^-1s^-1 Products: Spectrum \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
2 [details]	03h 37m 14.21s54.30922°	-35° 06′ 04.9″-35.10135°	5.1′′	Good	4.7′	1.9 ks	Matches known X-ray source: CXO J033714.2-350606 (from Chandra/2CSC), 3.4″ away.
Mean XRT rate: 3.9 (+2.1, -1.6) ×10^-3 ct s^-1 Peak XRT rate: 3.9 (+2.1, -1.6) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (XRT equiv count-rate) Mean XRT flux: 1.94 (+1.04, -0.79) ×10^-13 erg cm^-1s^-1 Peak XRT flux: 1.94 (+1.04, -0.79) ×10^-13 erg cm^-1s^-1 Products: Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]
3 [details]	03h 36m 27.51s54.11461°	-34° 58′ 24.9″-34.97358°	10.9′′	Poor	8.8′	1.9 ks	Matches known X-ray source: CXO J033626.2-345837 (from Chandra/2CSC), 4.8″ away. Matches SIMBAD source: F3D J033626.69-345839.77, 1.7″ away.
Mean XRT rate: 4.8 (+2.5, -1.9) ×10^-3 ct s^-1 Peak XRT rate: 4.8 (+2.5, -1.9) ×10^-3 ct s^-1 RASS PSPC 3-σ upper limit: 0.0×10⁰ ct s^-1 (XRT equiv count-rate) Mean XRT flux: 8 (+4, -3) ×10^-14 erg cm^-1s^-1 Peak XRT flux: 8 (+4, -3) ×10^-14 erg cm^-1s^-1 Products: Spectrum \| Enhanced position \| Expected serendipitous sources: ~0.00×10⁺⁰ [What is this?]

¹ Radius, 90% confidence.
² Indicates how likely the source is to be real. See the 1SXPS documentation.
^* The position was enhanced using astrometry derived from the Swift UVOT.
^† The position was astrometrically corrected using the XRT sources and the 2MASS catalogue.

Image

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FITS image.

Exposure map

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FITS exposure map.